Flights from London to the United States from $ 449*

Promotion Code

Changed bag rules and optional services         Cruise Packages

Find United's best fares from London to the United States

$
keyboard_arrow_down

  • London (LHR)to

    Chicago (ORD)
    03/20/26 - 03/22/26
    from
    $ 672
    Viewed: 20 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Washington, D.C. (IAD)
    02/11/26 - 02/16/26
    from
    $ 539
    Viewed: 14 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Houston (IAH)
    03/18/26 - 03/25/26
    from
    $ 776
    Viewed: 23 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Phoenix (PHX)
    05/08/26 - 05/24/26
    from
    $ 822
    Viewed: 21 hours ago
    Roundtrip
    Economy

  • London (LHR)to

    Boston (BOS)
    02/06/26 - 02/13/26
    from
    $ 554
    Viewed: 8 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Las Vegas (LAS)
    02/18/26 - 02/24/26
    from
    $ 564
    Viewed: 1 hour ago
    Roundtrip
    Economy

    London (LHR)to

    Austin (AUS)
    03/05/26 - 03/08/26
    from
    $ 655
    Viewed: 1 day ago
    Roundtrip
    Economy

    London (LHR)to

    Atlanta (ATL)
    02/08/26 - 02/12/26
    from
    $ 2,387
    Viewed: 1 day ago
    Roundtrip
    Economy

  • London (LHR)to

    Dallas (DFW)
    03/07/26 - 03/19/26
    from
    $ 915
    Viewed: 9 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Sacramento (SMF)
    02/14/26 - 02/21/26
    from
    $ 746
    Viewed: 22 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Cleveland (CLE)
    01/27/26 - 02/12/26
    from
    $ 1,395
    Viewed: 5 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Palm Springs (PSP)
    05/22/26 - 05/30/26
    from
    $ 960
    Viewed: 1 day ago
    Roundtrip
    Economy

  • London (LHR)to

    Charlotte (CLT)
    02/07/26 - 02/13/26
    from
    $ 972
    Viewed: 5 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Reno (RNO)
    03/17/26 - 04/23/26
    from
    $ 715
    Viewed: 4 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Orange County (SNA)
    02/03/26 - 02/06/26
    from
    $ 1,658
    Viewed: 3 hours ago
    Roundtrip
    Economy

    London (LHR)to

    Fort Lauderdale (FLL)
    12/11/26 - 12/19/26
    from
    $ 1,330
    Viewed: 1 hour ago
    Roundtrip
    Economy

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.

Business class flights from London to the United States

$

London (LHR)to

Newark/New York (EWR)
08/10/26 - 08/31/26

Roundtrip

Business

from
$ 2,287
Viewed: 10 hours ago

London (LHR)to

San Francisco (SFO)
07/29/26 - 08/06/26

Roundtrip

Business

from
$ 3,496
Viewed: 1 day ago

London (LHR)to

Denver (DEN)
12/12/26 - 12/22/26

Roundtrip

Business

from
$ 3,452
Viewed: 4 hours ago

London (LHR)to

Los Angeles (LAX)
08/16/26 - 08/20/26

Roundtrip

Business

from
$ 4,035
Viewed: 12 hours ago

London (LHR)to

Houston (IAH)
08/01/26 - 08/08/26

Roundtrip

Business

from
$ 3,497
Viewed: 8 hours ago

London (LHR)to

Chicago (ORD)
03/20/26 - 03/22/26

Roundtrip

Business

from
$ 3,027
Viewed: 20 hours ago

London (LHR)to

Washington, D.C. (IAD)
03/21/26 - 03/27/26

Roundtrip

Business

from
$ 2,717
Viewed: 9 hours ago

London (LHR)to

Phoenix (PHX)
05/08/26 - 05/24/26

Roundtrip

Business

from
$ 4,469
Viewed: 21 hours ago

*Prices have been available for round trips within the last 48 hours and may not be currently available. For Economy class, fares listed may be Basic Economy, which is our most restrictive fare option and subject to additional restrictions. Additional baggage charges and fees for other optional service may apply. Other terms and conditions may apply. Schedules are subject to change without notice.